datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2003,08 0:30:00,30 ,       0,0.073939, 0.00459,0.015485
twpcmbeC2.c1,2003,08 1:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,08 2:30:00,31 ,       0,0.151411,0.008344,0.030356
twpcmbeC2.c1,2003,08 3:30:00,31 ,       0,0.008912,0.000287,0.001601
twpcmbeC2.c1,2003,08 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,08 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,08 6:30:00,31 ,       0,1.782069,0.725294,0.460406
twpcmbeC2.c1,2003,08 7:30:00,31 ,8.113303,117.1716,71.38923,28.65543
twpcmbeC2.c1,2003,08 8:30:00,31 ,31.09082,355.8658,265.4729,84.79759
twpcmbeC2.c1,2003,08 9:30:00,31 ,27.58768,593.5215,484.4838,124.3402
twpcmbeC2.c1,2003,0810:30:00,31 ,160.3908,799.5369,619.2873, 193.765
twpcmbeC2.c1,2003,0811:30:00,31 ,230.4933,926.6756,724.4468,193.3453
twpcmbeC2.c1,2003,0812:30:00,31 ,263.1467,979.6166,762.5662,189.5023
twpcmbeC2.c1,2003,0813:30:00,31 ,438.0821,974.7449,805.1884,133.4314
twpcmbeC2.c1,2003,0814:30:00,31 ,439.2548,869.0305,710.0501,136.3679
twpcmbeC2.c1,2003,0815:30:00,31 ,83.30952,762.6687,569.1284,166.8259
twpcmbeC2.c1,2003,0816:30:00,31 ,13.39468,567.7073,385.1824,  131.94
twpcmbeC2.c1,2003,0817:30:00,31 , 20.3449,356.7607,230.8368,79.91056
twpcmbeC2.c1,2003,0818:30:00,31 ,11.12959,105.9969,61.31938,21.98754
twpcmbeC2.c1,2003,0819:30:00,31 ,       0,0.727457,0.165902,  0.1458
twpcmbeC2.c1,2003,0820:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,0821:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,0822:30:00,31 ,       0, 0.02877,0.000928,0.005167
twpcmbeC2.c1,2003,0823:30:00,30 ,       0,0.035027,0.002537,0.008302